Comparing DPF and Download for z/OS
This table outlines some of the key differences among the two main host printing options that InfoPrint Manager for Windows provides. Use this information to determine which option best meets the needs of your print installation.
Comparing DPF and Download for z/OS
| DPF | Download for z/OS |
|---|---|
| InfoPrint Manager for Windows acts as a full print spool system for Intelligent Printer Data Stream (IPDS) input, or converting from IPDS to the PCL or PPDS data stream. | InfoPrint Manager for Windows acts as a full print spool system. MVS provides the mechanism for transferring jobs from the JES spool to the InfoPrint Manager spool. |
| Use this feature with PSF for z/OS, PSF/MVS and PSF/400. | Use this feature with PSF for z/OS or PSF/MVS only. |
| Requires a Print Services Facility (PSF) software program on the host system. | Requires purchase and configuration of the MVS Download feature or AFP Download Plus feature of PSF. |
| Communicates through TCP/IP from the PSF host to Windows. | Communicates through TCP/IP from the PSF host to Windows. |
| Resource management is performed at the PSF host, and resources are downloaded automatically with jobs. For additional information, see Managing resources with DPF. | For Download for z/OS, resource management is performed at InfoPrint Manager: all print resources must either reside on the InfoPrint Manager server where the job prints, or be transmitted inline in an Advanced Function Presentation
(AFP) job. For additional information, see Managing resources with Download for z/OS.
For AFP Download Plus, resource management can be performed at the host, at InfoPrint Manager, or at a combination of the two. For additional information, see Managing resources with Download for z/OS. |
| The host print spool is managed on the host PSF system; the InfoPrint Manager spool and printer are managed from InfoPrint Manager. The job is managed on the host until it is downloaded, then from InfoPrint Manager. | The host print spool is managed on the host PSF system; the InfoPrint Manager spool and printer are managed from InfoPrint Manager. The job is managed on the host until it is downloaded, then from InfoPrint Manager. |
| Supports all printers supported by both the host PSF and InfoPrint Manager, as well as PCL and PPDS devices that are not supported on the host, except 6400 series printers. | Supports all printers supported by InfoPrint Manager for Windows. |
| Requires additional InfoPrint Manager disk space to spool jobs. | Requires additional InfoPrint Manager disk space to spool jobs. |
| Prints job only after the entire job has been received by InfoPrint Manager and scheduled to print by the InfoPrint Manager spool. | Prints job only after the entire job has been received by InfoPrint Manager and scheduled to print by the InfoPrint Manager spool. |
| Uses both host (for example, SMF/6) and InfoPrint Manager accounting. | Uses InfoPrint Manager accounting information. |
| Provides printer sharing through host systems and InfoPrint Manager. | Provides printer sharing and printer support through InfoPrint Manager. |
| Supports printing of multiple data set jobs as a single print job. | Supports printing of multiple data set jobs as a single print job. |
| Supports spooling of IPDS data from host PSF for later printing. | Supports the downloading of AFP or line data from the JES spool to InfoPrint Manager for printing later. |
| Jobs can be retained on InfoPrint Manager where they can be resubmitted for printing later. | Jobs can be retained on InfoPrint Manager where they can be resubmitted for printing later. |